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OpenStudy (migitmack):
Tyrone has a total of 50 DVD's and CD's. If the number of CD's is two more than three times the number of DVD's, how many CD's does he have?
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OpenStudy (ganpat):
given relation CD + DVD = 50 and CD = 3DVD + 2 so, substitute 2 in 1.. 3DVD + 2 + DVD = 50 4DVD = 48 DVD = 12 and CD = 50 -12 = 38..
OpenStudy (migitmack):
gj
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